Nonradiative Decay of Individual Vibronic Levels in Large Molecules

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Abstract
The nonradiative decay of particular vibronic levels in large molecules has been investigated by use of a simple model system involving identical surfaces shifted in energy and normal coordinates. A general expression for the nonradiative decay probability of individual vibronic levels is derived in the weak coupling statistical limit and the energy gap law is obtained. Our expression for the nonradiative transition reveals the explicit dependence on the vibrational quantum numbers of the decaying vibronic level, in contrast with previous treatments.
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